Abstract: A full-automatic handing system of automobile hub is designed to study design approach and communication mode of full-automatic control system.S7-200 SMART is utilized to conduct logic control to manage integration communication of peripheral equipments,which consists of visual system,ABB industrial robot manipulator control system,automobile hub,photoelectric switches,load-unload conveyer line,control buttons,Human Machine Interface(HMI),indicator lights,safety gates and so on.The field debugging results show that the full-automatic handing system of automobile hub achieves rapid locating clamp of robot to precisely carry automobile hub from feeding line to blanking line.And HMI conducts the real time monitoring and alarm function,fully-functional and reasonable designing make this system easy to operate.Practice proves that the system meets the design requirements and improves the stability and reliability of production.

Key words: automatic control system, Programmable Logic Controller(PLC), visual system, industrial robot, Human Machine Interface (HMI)